What is this White residue on leaves ?

iAwin

Member
if you spray water on leaves, then in my experience its just the calc or nuts in the water.. nothing to really worry about.. if not then they're growing somewhere the air doesn't change properly and its prob powdery mildew..
 

Joker90

Active Member
if you spray water on leaves, then in my experience its just the calc or nuts in the water.. nothing to really worry about.. if not then they're growing somewhere the air doesn't change properly and its prob powdery mildew..
Could be . No extractor fan atm , I have an oscillating fan though and the vents are all open . Plus I open the tent once a day and open the windows for a few hours. But myt just be the water
 
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